|Project by Porchfish||posted 11-05-2015 06:39 PM||766 views||1 time favorited||7 comments|
I welded up a new tool rest & post system and had to try it out. The live oak burl blew into four pieces when I hit a pocket with small rocks inside the mid 3rd of the little devil…. I refused to give up on it, so I reconstructed a lip for it using oil clay as a dam and small mold and poured it to shape using powdered brass in epoxy. Had to replace a small section of the base in the same fashion. It was glued back together with the same epoxy with powdered brass (powder added to part B before mixing parts A and B). I liked the holes , but some were really weak, so I filled them with granular copper ores (malachite and Azurite) layering them in thick CA glue. Oil based sculptors clay was used on the inside of the bowl while I worked the CA & copper ores a little at a time. I poured a thin layer of epoxy on the back side for strength and began filling the inside with the CA and ores. I used diamond sanding discs from MSC supply to work down the ores flush…. you really have to be careful with the diamond discs. They are very aggressive and can mark up the surrounding wood badly. I know plastic fillers are available from some suppliers for inlay, but they just can’t match stones. Crushing your own materials is a time consuming challenge… but so far I’ve had the time. The atomized metals are available from ‘Douglas and Sturgess’ sculptors supply house in Brass Bronze Aluminum, Steel, and Ni-Silver. Polyurethane casting materials that work wonderfully with these “atomized” metals can be had from the Poly-tek Corp. They make polyurethane casting material that easily mixes parts A & B in same quantities. Fillers can decrease pot life too. I am having fun in my old age ! Thanks for looking !
-- The pig caught under the fence is always the one doing all the squealing !